Portable sprayer



FIG. 1 is a front perspective view of a portable sprayer showing my new design, it being understood that the broken lines are for illustrative purposes only;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged left end elevational view thereof;

FIG. 5 is an enlarged right end elevational view thereof;

FIG. 6 is an enlarged rear elevational view thereof;

FIG. 7 is an enlarged bottom plan view thereof. 

The ornamental design for a portable sprayer, substantially as shown and described. 